A thermodynamic analysis of more than 400 chemical reactions that likely took place in the ancestor of all life finds most would spontaneously occur at hydrothermal vents, thanks to the hydrogen these geological formations emit.
As the only woman who has piloted the deep-ocean research submersible Alvin, Van Dover is among the few researchers to have explored hydrothermal vents firsthand.
A love of the ocean lured Nicole Dubilier into science; gutless sea worms and their nurturing bacterial symbionts keep her at the leading edge of marine microbiology.
DNA and RNA sequences from Lake Vostok below the Antarctic glacier reveal thousands of bacteria species, including some commonly found in fish digestive systems.